2024-11-21 18.191.93.18
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Code of China
Chinese National Standard List: Soil and fertilizer in general

DB37/T 3827-2019 Technical regulations for field test of nutrient release rate and release period of slow and controlled-release fertilizer 
  Issued on: 2019-12-24   Price(USD):
DB32/T 4412-2022 Technical specification for farmland runoff monitoring in plain water-net region 
  Issued on: 2022-12-24   Price(USD):
DB52/T 1607-2021 Nitrogen, phosphorus and potassium limitsin of tea garden 
  Issued on: 2021-06-24   Price(USD):
DB37/T 3825-2019 Guideline of Biochar Application in Orchard 
  Issued on: 2019-12-24   Price(USD):
GB 7888-1987 Determination of total nitrogen, total phosphorus, total potassium, total sodium, total calcium, total magnesium in forest plant and forest floor (method for wet digestion with sulphuric and perchloric acid) 
  Issued on:   Price(USD): 180.0
GB 7836-1987 Determination of forest soil maximum hygroscopic water 
  Issued on:   Price(USD): 180.0
GB 7865-1987 Determination of exchangeable calcium and magnesium in forest soil 
  Issued on:   Price(USD): 184.0
LY/T1248-1999 Determination of exchangeable sodium in alkaline soil 
  Issued on: 1999-07-15   Price(USD): 45.0
GB 9834-1988 Method for determination of soil organic matter 
  Issued on:   Price(USD): 224.0
GB 7839-1987 Determination of forest soil temperature 
  Issued on:   Price(USD): 184.0
DB32/T 4121-2021 Specification for effectiveness evaluation of remediation of cadmium contaminated cultivated soil 
  Issued on: 2021-11-04   Price(USD): 255.0
DB37/T 3829-2019 Guideline of Soil Fertility Improvement for Apple Production 
  Issued on: 2019-12-24   Price(USD):
GB 7876-1987 Determination of ignition loss in forest soil 
  Issued on:   Price(USD): 180.0
GB 7883-1987 Determination of easy reducible manganese in forest soil 
  Issued on:   Price(USD): 184.0
GB 7878-1987 Determination of available molybdenum in forest soil 
  Issued on:   Price(USD): 184.0
DB37/T 3826-2019 Guide line on field composting and application with it in orchard 
  Issued on: 2019-12-24   Price(USD):
GB 7833-1987 Determination of forest soil water content 
  Issued on:   Price(USD): 184.0
GB 7874-1987 Determination of total potassium and total sodium in forest soil 
  Issued on:   Price(USD): 184.0
DB37/T 3828-2019 Guid Line of Activeted Humic Acid Application on Rice Nursurey 
  Issued on: 2019-12-24   Price(USD):
GB 7872-1987 Extraction of soil clay of forest soil 
  Issued on:   Price(USD): 220.0
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